Fetal DNA and Pregnancy Outcomes
Author Information
Author(s): Becking Ellis C., Bekker Mireille N., Henrichs Jens, Bax Caroline J., Sistermans Erik A., Henneman Lidewij, Scheffer Peter G., Schuit Ewoud
Primary Institution: University Medical Center Utrecht, Utrecht University
Hypothesis
Does the fetal fraction of cell-free DNA in maternal circulation improve the prediction of adverse pregnancy outcomes?
Conclusion
Fetal fraction has statistically significant but limited prognostic value in predicting adverse pregnancy outcomes.
Supporting Evidence
- Fetal fraction was associated with increased risk of adverse pregnancy outcomes.
- Adding fetal fraction improved model fit for several outcomes.
- Statistically significant improvements were noted for hypertensive disorders and birthweight predictions.
Takeaway
This study looked at how much fetal DNA in a mother's blood can help predict problems during pregnancy. It found that while it helps a little, it's not a big game changer.
Methodology
Retrospective cohort study using logistic regression models to assess the added value of fetal fraction in predicting adverse pregnancy outcomes.
Potential Biases
Potential bias due to missing data and reliance on registry data.
Limitations
Missing data from national registries and inability to include certain clinical parameters in the analysis.
Participant Demographics
Pregnant women in the Netherlands opting for non-invasive prenatal testing between June 2018 and June 2019.
Statistical Information
P-Value
p<0.0001 for several outcomes
Confidence Interval
95% CI provided for AUC values
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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